HO anion
- Formula: HO-
- Molecular weight: 17.0079
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Reaction thermochemistry data
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
HO- + = (HO- •
)
By formula: HO- + H2O = (HO- • H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 28. ± 7. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 19.2 ± 1.0 | kcal/mol | TDAs | Paul and Kebarle, 1990 | gas phase |
| ΔrG° | 20.1 ± 1.6 | kcal/mol | TDEq | Meot-Ner and Sieck, 1986 | gas phase |
| ΔrG° | 20.0 ± 1.4 | kcal/mol | TDAs | Meot-Ner (Mautner) and Speller, 1986 | gas phase |
| ΔrG° | 18.60 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase |
HO- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 390.330 ± 0.010 | kcal/mol | D-EA | Smith, Kim, et al., 1997 | gas phase; Given: 14741.02(3) cm-1. dHacid(0K) = 389.11±0.014 |
| ΔrH° | 387.70 | kcal/mol | N/A | Check, Faust, et al., 2001 | gas phase; MnBr3-; ; ΔS(EA)=1.7 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 383.740 ± 0.060 | kcal/mol | H-TS | Smith, Kim, et al., 1997 | gas phase; Given: 14741.02(3) cm-1. dHacid(0K) = 389.11±0.014 |
| ΔrG° | 381.10 | kcal/mol | N/A | Check, Faust, et al., 2001 | gas phase; MnBr3-; ; ΔS(EA)=1.7 |
(HO- • ) +
= (HO- • 2
)
By formula: (HO- • H2O) + H2O = (HO- • 2H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 17.6 ± 1.0 | kcal/mol | TDAs | Meot-Ner (Mautner) and Speller, 1986 | gas phase |
| ΔrH° | 17.9 ± 1.0 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 11.2 ± 1.4 | kcal/mol | TDAs | Meot-Ner (Mautner) and Speller, 1986 | gas phase |
| ΔrG° | 11.60 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase |
HO- + = (HO- •
)
By formula: HO- + C5FeO5 = (HO- • C5FeO5)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 60.8 ± 3.4 | kcal/mol | IMRE | Sunderlin and Squires, 1993 | gas phase; HO- transfer equilibrium to SO2. Structure thought ot be (CO)4Fe-CO2H |
| ΔrH° | 56.7 ± 4.0 | kcal/mol | IMRB | Lane, Sallans, et al., 1985 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 46.8 ± 4.0 | kcal/mol | IMRB | Lane, Sallans, et al., 1985 | gas phase |
HO- + = (HO- •
)
By formula: HO- + CO2 = (HO- • CO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 50.9 ± 2.5 | kcal/mol | CIDT | Squires, 1992 | gas phase; Dissociative protonation threshold at nPrSH, 9 kcal> calc. CIDC(HOCO2-..HSH) = 7:1 HOCO2- |
| ΔrH° | 87.60 | kcal/mol | Endo | Hierl and Paulson, 1984 | gas phase; Implies ΔHacid = 291.4, anion appears too stable - JEB |
HO- + = (HO- •
)
By formula: HO- + O2S = (HO- • O2S)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 61.9 ± 2.8 | kcal/mol | CIDT | Squires, 1992 | gas phase; Dissociative protonation between HCl, MeCHClCO2H |
| ΔrH° | >50.9 ± 3.0 | kcal/mol | IMRB | Hierl and Paulson, 1984 | gas phase; CO2..HO- + SO2 ->. data revised per 92SQU |
(HO- • 2) +
= (HO- • 3
)
By formula: (HO- • 2H2O) + H2O = (HO- • 3H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 15.1 ± 1.0 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase |
| ΔrH° | 16.2 ± 1.0 | kcal/mol | N/A | Meot-Ner (Mautner) and Speller, 1986 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 9.0 ± 1.4 | kcal/mol | TDAs | Meot-Ner (Mautner) and Speller, 1986 | gas phase |
(HO- • 7) +
= (HO- • 8
)
By formula: (HO- • 7H2O) + H2O = (HO- • 8H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 9.8 ± 1.0 | kcal/mol | TDAs | Meot-Ner (Mautner) and Speller, 1986 | gas phase; Entropy estimated |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 2.6 ± 1.4 | kcal/mol | TDAs | Meot-Ner (Mautner) and Speller, 1986 | gas phase; Entropy estimated |
(HO- • 3) +
= (HO- • 4
)
By formula: (HO- • 3N2O) + N2O = (HO- • 4N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | >7. ± 33. | kcal/mol | N/A | Kim, Wenthold, et al., 1998 | gas phase; Vertical Detachment Energy: 2.981 eV. Affinity is EA difference with next lower +0.08 eV f |
(HO- • 4) +
= (HO- • 5
)
By formula: (HO- • 4N2O) + N2O = (HO- • 5N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | >5. ± 54. | kcal/mol | N/A | Kim, Wenthold, et al., 1998 | gas phase; Vertical Detachment Energy: 3.146 eV. Affinity is EA difference with next lower +0.08 eV f |
(HO- • 2) +
= (HO- • 3
)
By formula: (HO- • 2N2O) + N2O = (HO- • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 6.90 | kcal/mol | N/A | Kim, Wenthold, et al., 1998 | gas phase; Vertical Detachment Energy: 2.761 eV. Affinity is EA difference with next lower +0.08 eV f |
(HO- • ) +
= (HO- • 2
)
By formula: (HO- • N2O) + N2O = (HO- • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 7.80 | kcal/mol | N/A | Kim, Wenthold, et al., 1998 | gas phase; Vertical Detachment Energy: 2.485 eV. Affinity is EA difference with next lower +0.08 eV f |
(HO- • 3) +
= (HO- • 4
)
By formula: (HO- • 3H2O) + H2O = (HO- • 4H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 12.00 | kcal/mol | N/A | Meot-Ner (Mautner) and Speller, 1986 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 5.7 ± 1.4 | kcal/mol | N/A | Meot-Ner (Mautner) and Speller, 1986 | gas phase |
(HO- • 4) +
= (HO- • 5
)
By formula: (HO- • 4H2O) + H2O = (HO- • 5H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 11.50 | kcal/mol | N/A | Meot-Ner (Mautner) and Speller, 1986 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 4.3 ± 1.4 | kcal/mol | N/A | Meot-Ner (Mautner) and Speller, 1986 | gas phase |
(HO- • 5) +
= (HO- • 6
)
By formula: (HO- • 5H2O) + H2O = (HO- • 6H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 11.20 | kcal/mol | N/A | Meot-Ner (Mautner) and Speller, 1986 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 4.2 ± 1.4 | kcal/mol | N/A | Meot-Ner (Mautner) and Speller, 1986 | gas phase |
(HO- • 6) +
= (HO- • 7
)
By formula: (HO- • 6H2O) + H2O = (HO- • 7H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 10.40 | kcal/mol | N/A | Meot-Ner (Mautner) and Speller, 1986 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 3.2 ± 1.4 | kcal/mol | N/A | Meot-Ner (Mautner) and Speller, 1986 | gas phase |
HO- = HN2O2-
By formula: HO- = HN2O2-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 8.50 | kcal/mol | N/A | Kim, Wenthold, et al., 1998 | gas phase; Vertical Detachment Energy: 2.189 eV. Affinity is EA difference with next lower +0.08 eV f |
HO- + = H4NO-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 12.00 | kcal/mol | N/A | Schwartz, Davico, et al., 2000 | gas phase; Vertical Detachment Energy: 2.54±0.015 eV. Affinity is from difference in EAs |
HO- = CHO2-
By formula: HO- = CHO2-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 18.23 ± 0.59 | kcal/mol | N/A | Johnson, Harding, et al., 2011 | gas phase; trans isomer. See Wang, Li, et al., 2014 for computational analysis |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Paul and Kebarle, 1990
Paul, G.J.C.; Kebarle, P.,
Thermodynamics of the Association Reactions OH- - H2O = HOHOH- and CH3O- - CH3OH = CH3OHOCH3- in the Gas Phase,
J. Phys. Chem., 1990, 94, 12, 5184, https://doi.org/10.1021/j100375a076
. [all data]
Meot-Ner and Sieck, 1986
Meot-Ner, M.; Sieck, L.W.,
The ionic hydrogen bond and ion solvation. 5. OH...O- bonds. Gas phase solvation and clustering of alkoxide and carboxylate anions,
J. Am. Chem. Soc., 1986, 108, 7525. [all data]
Meot-Ner (Mautner) and Speller, 1986
Meot-Ner (Mautner), M.; Speller, C.V.,
The Filling of Solvent Shells in Cluster Ions: Thermochemical Criteria nd the Effects of Isomeric Clusters,
J. Phys. Chem., 1986, 90, 25, 6616, https://doi.org/10.1021/j100283a006
. [all data]
Payzant, Yamdagni, et al., 1971
Payzant, J.D.; Yamdagni, R.; Kebarle, P.,
Hydration of CN-, NO2-, NO3-, and HO- in the gas phase,
Can. J. Chem., 1971, 49, 3308. [all data]
Smith, Kim, et al., 1997
Smith, J.R.; Kim, J.B.; Lineberger, W.C.,
High-resolution Threshold Photodetachment Spectroscopy of OH-,
Phys. Rev. A, 1997, 55, 3, 2036, https://doi.org/10.1103/PhysRevA.55.2036
. [all data]
Check, Faust, et al., 2001
Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S.,
Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements,
J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l
. [all data]
Sunderlin and Squires, 1993
Sunderlin, L.S.; Squires, R.R.,
Energetics and Mechanism of the Thermal Decarboxylation of (CO)4FeCOOH- in the Gas Phase,
J. Am. Chem. Soc., 1993, 115, 1, 337, https://doi.org/10.1021/ja00054a048
. [all data]
Lane, Sallans, et al., 1985
Lane, K.R.; Sallans, L.; Squires, R.R.,
Anion affinities of transition metal carbonyls. A thermochemical correlation for iron tetracarbonyl acyl negative ions,
J. Am. Chem. Soc., 1985, 107, 5369. [all data]
Squires, 1992
Squires, R.R.,
Gas Phase Thermochemical Properties of the Bicarbonate and Bisulfate Ions,
Int. J. Mass Spectrom. Ion Proc., 1992, 117, 565, https://doi.org/10.1016/0168-1176(92)80114-G
. [all data]
Hierl and Paulson, 1984
Hierl, P.M.; Paulson, J.F.,
Translational energy dependence of cross sections for reactions of OH- (H2O)n with CO2 and SO2,
J. Chem. Phys., 1984, 80, 4890. [all data]
Kim, Wenthold, et al., 1998
Kim, J.B.; Wenthold, P.G.; Lineberger, W.C.,
Photoelectron spectroscopy of OH-(N2O)(n=1-5),
J. Chem. Phys., 1998, 108, 3, 830-837, https://doi.org/10.1063/1.475447
. [all data]
Schwartz, Davico, et al., 2000
Schwartz, R.L.; Davico, G.E.; Kim, J.B.; Lineberger, C.W.,
Negative Ion Photoelectron Spectroscopy of OH-(NH3),
J. Chem. Phys., 2000, 112, 11, 4966, https://doi.org/10.1063/1.481051
. [all data]
Johnson, Harding, et al., 2011
Johnson, C.J.; Harding, M.E.; Poad, B.L.J.; Stanton, J.F.; Continetti, R.E.,
Electron Affinities, Well Depths, and Vibrational Spectroscopy of cis- and trans-HOCO,
J. Am. Chem. Soc., 2011, 133, 49, 19606-19609, https://doi.org/10.1021/ja207724f
. [all data]
Wang, Li, et al., 2014
Wang, J.; Li, J.; Ma, J.Y.; Guo, H.,
Full-dimensional characterization of photoelectron spectra of HOCO- and DOCO- and tunneling facilitated decay of HOCO prepared by anion photodetachment,
Journal Of Chemical Physics, 2014, 140, 18, 184314, https://doi.org/10.1063/1.4874975
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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